diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_geometry.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_geometry.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/svm_geometry.h b/intern/cycles/kernel/svm/svm_geometry.h new file mode 100644 index 00000000000..77fe26c809e --- /dev/null +++ b/intern/cycles/kernel/svm/svm_geometry.h @@ -0,0 +1,78 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +CCL_NAMESPACE_BEGIN + +/* Geometry Node */ + +__device void svm_node_geometry(ShaderData *sd, float *stack, uint type, uint out_offset) +{ + float3 data; + + switch(type) { + case NODE_GEOM_P: data = sd->P; break; + case NODE_GEOM_N: data = sd->N; break; +#ifdef __DPDU__ + case NODE_GEOM_T: data = normalize(sd->dPdu); break; +#endif + case NODE_GEOM_I: data = sd->I; break; + case NODE_GEOM_Ng: data = sd->Ng; break; +#ifdef __UV__ + case NODE_GEOM_uv: data = make_float3(sd->u, sd->v, 0.0f); break; +#endif + } + + stack_store_float3(stack, out_offset, data); +} + +__device void svm_node_geometry_bump_dx(ShaderData *sd, float *stack, uint type, uint out_offset) +{ +#ifdef __RAY_DIFFERENTIALS__ + float3 data; + + switch(type) { + case NODE_GEOM_P: data = sd->P + sd->dP.dx; break; + case NODE_GEOM_uv: data = make_float3(sd->u + sd->du.dx, sd->v + sd->dv.dx, 0.0f); break; + default: svm_node_geometry(sd, stack, type, out_offset); return; + } + + stack_store_float3(stack, out_offset, data); +#else + svm_node_geometry(sd, stack, type, out_offset); +#endif +} + +__device void svm_node_geometry_bump_dy(ShaderData *sd, float *stack, uint type, uint out_offset) +{ +#ifdef __RAY_DIFFERENTIALS__ + float3 data; + + switch(type) { + case NODE_GEOM_P: data = sd->P + sd->dP.dy; break; + case NODE_GEOM_uv: data = make_float3(sd->u + sd->du.dy, sd->v + sd->dv.dy, 0.0f); break; + default: svm_node_geometry(sd, stack, type, out_offset); return; + } + + stack_store_float3(stack, out_offset, data); +#else + svm_node_geometry(sd, stack, type, out_offset); +#endif +} + +CCL_NAMESPACE_END + |